CN111730807A

CN111730807A - Clamp for processing injection mold

Info

Publication number: CN111730807A
Application number: CN202010481115.2A
Authority: CN
Inventors: 路焕
Original assignee: Individual
Current assignee: Ninghai Zhengtong Hydraulic Machinery Co ltd
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2020-10-02
Anticipated expiration: 2040-05-31
Also published as: CN111730807B

Abstract

The invention discloses a clamp for processing an injection mold, which comprises a processing table, wherein a first sliding groove and a second sliding groove are symmetrically formed in the processing table respectively, a smooth glass plate is arranged between the first sliding groove and the second sliding groove, a first sliding block is connected in the first sliding groove in a sliding manner, an European horn cavity is formed in the first sliding block, a ferromagnetic sheet is fixedly connected to the bottom wall of the horn cavity, a second wedge block is arranged in the horn cavity, a movable groove is formed in the second wedge block, two movable rods are symmetrically inserted in the movable groove in a sliding manner, and a second spring is fixedly connected between the two movable rods. According to the invention, the air in the cavity is extracted through the exhaust pipe, the air pressure in the second chute is reduced, so that the second slide block starts to slide towards one side close to the communicating pipe, and the first slide block is simultaneously pulled to be attached to the smooth glass plate to slide, so that the second wedge block pushes the first wedge block to move on the guide rod, the clamping plate is driven to carry out clamping operation, and the multidirectional synchronous clamping operation is realized.

Description

Clamp for processing injection mold

Technical Field

The invention relates to the technical field of injection molds, in particular to a clamp for processing an injection mold.

Background

The time required to complete an injection molding process is called a molding cycle, which directly affects labor productivity and equipment utilization. Therefore, in the production process, the relevant time of each forming cycle is shortened as much as possible on the premise of ensuring the quality. During the whole molding cycle, with injection time and cooling time being the most important, they have a decisive influence on the quality of the product, the injection pressure being provided by the hydraulic system of the injection system. The pressure of a hydraulic cylinder is transmitted to a plastic melt through a screw of an injection molding machine, the plastic melt enters a vertical runner (a main runner for partial molds) of a mold, a main runner and a sub-runner through a nozzle of the injection molding machine under the pushing of the pressure, and enters a mold cavity through a pouring gate, and the process is an injection molding process or a filling process.

According to the Chinese patent publication numbers: CN109822819A relates to an anchor clamps are used in injection mold processing, including the tight mechanism in front side top, control the tight mechanism in top, the tight mechanism in rear side top, go up the tight mechanism in top, horizontal supporting plate, the tight control mechanism in top and grudging post, its characterized in that: the front end of the horizontal supporting plate is provided with a front sliding hole and a rear sliding hole, the left side and the right side of the middle end of the horizontal supporting plate are respectively provided with a left sliding hole and a right sliding hole, and the rear end of the horizontal supporting plate is uniformly provided with a plurality of parallel groove-shaped sliding holes; the inner sides of the front and rear sliding holes are fixedly connected with a guide shaft; the middle end of the front side jacking mechanism is connected in a front-rear sliding hole in a sliding fit manner, and the front side jacking mechanism is connected with the guide shaft in a sliding fit manner; the clamp for processing the injection mold can be suitable for clamping and fixing the injection molds with different sizes, and the injection mold can be fixed by clamping a plurality of directions of the injection mold.

But if the clamping-force leads to the mould to take place irrecoverable clamp easily when too big in the clamping-process and hinder, carry out the centre gripping work through manual rotatory rocker moreover and comparatively difficultly, it is convenient inadequately to use.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, if the clamping force is too large in the clamping process, the mould is easily subjected to unrecoverable clamping damage, and the clamping work is laborious and inconvenient to use by manually rotating a rocker, so that the clamp for processing the injection mould is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a clamp for processing an injection mold comprises a processing table, wherein a first sliding groove and a second sliding groove are symmetrically formed in the processing table respectively, a smooth glass plate is arranged between the first sliding groove and the second sliding groove, a first sliding block is connected in the first sliding groove in a sliding manner, an European horn cavity is formed in the first sliding block, a ferromagnetic sheet is fixedly connected to the bottom wall of the horn cavity, a second wedge block is arranged in the horn cavity, a movable groove is formed in the second wedge block, two movable rods are symmetrically inserted in the movable groove in a sliding manner, a second spring is fixedly connected between the two movable rods, a first wedge block is arranged on the second wedge block, a clamping plate is fixedly connected to the first wedge block, a silica gel pad is fixedly connected to one side of the clamping plate, a second sliding block is connected in the second sliding groove in a sliding manner, an electromagnet is fixedly installed in the second sliding block, and is matched with the ferromagnetic sheet, one side fixedly connected with first spring of second slider, the one end fixed connection that the second slider was kept away from to first spring is on the lateral wall of second spout, the cavity has been seted up in the processing platform, the symmetry is equipped with a plurality of communicating pipes in the processing platform, every the both ends of communicating pipe extend to in second spout and the cavity respectively, processing platform bottom side is equipped with the suction mechanism.

Preferably, the air suction mechanism comprises a vacuum pump, the vacuum pump is fixedly installed at the bottom side of the processing table, an air suction pipe is fixedly connected to the air suction end of the vacuum pump, and the air suction pipe extends into the cavity.

Preferably, a plurality of support rods are symmetrically and fixedly connected to the bottom side of the processing table, and one end, far away from the processing table, of each support rod is fixedly connected with a sucker.

Preferably, a plurality of air outlet pipes are symmetrically arranged at the bottom side of the processing table, one ends of the air outlet pipes extend into the second sliding grooves, and the other ends of the air outlet pipes extend to the outer side of the processing table and are provided with electromagnetic valves.

Preferably, the side wall of the first sliding groove is fixedly connected with a guide rod, and the first wedge block is connected to the guide rod in a sliding mode.

Preferably, the bottom side of the first wedge block is provided with an end face A, the upper side of the second wedge block is provided with an end face B, and the end face A is matched with the end face B.

Preferably, one end of the movable rod, which is far away from the second spring, is rotatably connected with a roller, and the roller abuts against the inner wall of the horn cavity.

Preferably, a plurality of vent holes are symmetrically formed in the processing table, and the vent holes are communicated with the second sliding groove.

Compared with the prior art, the invention has the beneficial effects that:

1. let the electro-magnet switch on, then produce very strong suction to ferromagnetic plate through the electro-magnet, injection mold places back at the processing bench, then let the vacuum pump begin work, gas is taken out in with the cavity through the exhaust tube, the internal gas pressure of second spout reduces, thereby make the second slider to begin to slide to one side that is close to communicating pipe, first spring begins to extend, pull first slider laminating plain noodles glass board simultaneously and slide, make the second voussoir promote first voussoir and remove on the guide bar, drive splint and carry out centre gripping work, realize diversified synchronous centre gripping work, it is very convenient to operate.

2. Carry out the flexonics through silica gel pad on the splint and mould, when the centre gripping is bigger and bigger, terminal surface B on the second voussoir begins to extrude each other with terminal surface A on the first voussoir, further make the second voussoir remove to the loudspeaker intracavity, thereby make the lateral wall in roller laminating loudspeaker chamber roll, two movable rods begin to slide in opposite directions, the second spring begins to compress, stagger completely until terminal surface B and terminal surface A, make the second voussoir no longer promote first voussoir to remove, effectively avoided the clamping-force too big to cause the clamp to hinder to the mould, play fine guard action.

3. When needs reset, the solenoid valve begins to switch on to make the second spout be linked together with the external world, drive the second slider under the spring action of first spring and reset, set up the air vent and guarantee that the second slider deviates from the gaseous connectivity in communicating pipe one side, only need promote splint this moment and make first voussoir slide on the guide bar, until terminal surface A and terminal surface B laminate again can accomplish the work that resets, the next use of the anchor clamps of being convenient for.

Drawings

FIG. 1 is a schematic front view of a clamp for processing an injection mold according to the present invention;

FIG. 2 is a schematic top view of a fixture for processing an injection mold according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is a schematic view of a use flow of the clamp for processing an injection mold according to the present invention.

In the figure: 1-processing table, 2-supporting rod, 3-sucking disc, 4-first sliding chute, 5-second sliding chute, 6-guide rod, 7-second sliding block, 8-electromagnet, 9-first spring, 10-cavity, 11-smooth glass plate, 12-exhaust tube, 13-communicating tube, 14-vacuum pump, 15-electromagnetic valve, 16-air outlet tube, 17-clamping plate, 18-first wedge block, 19-movable rod, 20-second wedge block, 21-second spring, 22-movable groove, 23-roller, 24-ferromagnetic sheet and 25-first sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, an injection mold is anchor clamps for processing, including processing platform 1, a plurality of bracing pieces 2 of bottom side symmetry fixedly connected with of processing platform 1, the one end fixedly connected with sucking disc 3 of processing platform 1 is kept away from to every bracing piece 2, laminate with placing the face through setting up sucking disc 3, thereby improve the stability that the device was placed, first spout 4 and second spout 5 have been seted up to the symmetry respectively on the processing platform 1, be equipped with plain noodles glass board 11 between first spout 4 and the second spout 5, it reduces the sliding resistance of first slider 25 to set up plain noodles glass board 11, sliding connection has first slider 25 in first spout 4, set up the european horn chamber in the first slider 25, horn chamber diapire fixedly connected with ferromagnetic piece 24, be equipped with second voussoir 20 in the horn chamber.

The second voussoir 20 is internally provided with a movable groove 22, the movable groove 22 is symmetrically slid to be inserted with two movable rods 19, a second spring 21 is fixedly connected between the two movable rods 19, one end of each movable rod 19, which is far away from the second spring 21, is rotatably connected with a roller 23, the rollers 23 abut against the inner wall of the horn cavity, when the second voussoir 20 moves towards the horn cavity, the rollers 23 are attached to the side wall of the horn cavity to roll, the two movable rods 19 start to slide oppositely, the second spring 21 starts to compress until the end face B and the end face A are completely staggered, so that the second voussoir 20 does not push the first voussoir 18 to move.

Be equipped with first voussoir 18 on the second voussoir 20, the lateral wall fixedly connected with guide bar 6 of first spout 4, first voussoir 18 sliding connection is on guide bar 6, first voussoir 18 slides on guide bar 6, avoid appearing sliding deviation, fixedly connected with splint 17 on the first voussoir 18, first voussoir 18 bottom side is equipped with terminal surface A, second voussoir 20 upside is equipped with terminal surface B, terminal surface A cooperatees with terminal surface B, when first slider 25 laminating plain noodles glass board 11 slides, terminal surface B on the second voussoir 20 begins to extrude with terminal surface A on the first voussoir 18, thereby make second voussoir 20 promote first voussoir 18 and move on guide bar 6.

One side fixedly connected with silica gel pad of splint 17, the silica gel pad that sets up on splint 17 can carry out the flexonics with the mould, sliding connection has second slider 7 in the second spout 5, fixed mounting has electro-magnet 8 in the second slider 7, electro-magnet 8 cooperatees with ferromagnetic piece 24, the first spring 9 of one side fixedly connected with of second slider 7, the one end fixed connection that second slider 7 was kept away from to first spring 9 is on the lateral wall of second spout 5, a plurality of air vents have been seted up to the symmetry on the processing platform 1, the air vent is linked together with second spout 5, set up the air vent and guarantee that second slider 7 deviates from the gaseous connectivity in communicating pipe 13 one side, cavity 10 has been seted up in the processing platform 1, the symmetry is equipped with a plurality of communicating pipes 13 in the processing platform 1, the both ends of every communicating pipe 13 extend to in second spout 5.

The bottom side of the processing table 1 is provided with an air suction mechanism, the air suction mechanism comprises a vacuum pump 14, the vacuum pump 14 is fixedly arranged at the bottom side of the processing table 1, an air suction pipe 12 is fixedly connected with the air suction end of the vacuum pump 14, the air suction pipe 12 extends into the cavity 10, the vacuum pump 14 starts to work, air in the cavity 10 is sucked out through the air suction pipe 12, the air pressure in the second chute 5 is reduced, so that the second slider 7 starts to slide towards one side close to the communicating pipe 13, the first spring 9 starts to extend, meanwhile, the first slider 25 is pulled to be attached to the smooth glass plate 11 to slide, the second wedge block 20 pushes the first wedge block 18 to move on the guide rod 6, the clamping plate 17 is driven to carry out clamping work, multidirectional synchronous clamping work is realized, the bottom side of the processing table 1 is symmetrically provided with a plurality of air outlet pipes 16, one end of each air outlet pipe 16 extends into the second chute, when the vacuum pump 14 works, the electromagnetic valve 15 is powered on and closed, and when the vacuum pump needs to be reset, the electromagnetic valve 15 is powered off and starts to be powered on, so that the second sliding chute 5 is communicated with the outside.

In the invention, firstly, the electromagnet 8 is electrified, then strong suction is generated to the ferromagnetic sheet 24 through the electromagnet 8, after the injection mold is placed on the processing table 1, then the vacuum pump 14 starts to work, the gas in the cavity 10 is pumped out through the exhaust pipe 12, the gas pressure in the second chute 5 is reduced, so that the second slide block 7 starts to slide towards one side close to the communicating pipe 13, the first spring 9 starts to extend, and simultaneously the first slide block 25 is pulled to be attached to the smooth glass plate 11 to slide, so that the second wedge block 20 pushes the first wedge block 18 to move on the guide rod 6, the clamping plate 17 is driven to carry out clamping work, multi-directional synchronous clamping work is realized, the operation is very convenient and fast, the silicon rubber pad on the clamping plate 17 is in flexible contact with the mold, when the clamping is larger and larger, the end face B on the second wedge block 20 starts to be mutually extruded with the end face A on the, further, the second wedge block 20 moves towards the horn cavity, so that the roller 23 is attached to the side wall of the horn cavity to roll, the two movable rods 19 start to slide towards each other, the second spring 21 starts to compress until the end face B is completely staggered with the end face A, the second wedge block 20 does not push the first wedge block 18 to move any more, clamping damage to a mold due to overlarge clamping force is effectively avoided, and a good protection effect is achieved, when resetting is needed, the electromagnetic valve 15 starts to be conducted, so that the second sliding groove 5 is communicated with the outside, the second slide block 7 is driven to reset under the elastic force action of the first spring 9, a vent hole is arranged to ensure the gas connectivity of one side, away from the communicating pipe 13, of the second slide block 7, at the moment, the first wedge block 18 slides on the guide rod 6 only by pushing the clamping plate 17, and the resetting work can be completed until the end face A is attached to, the clamp is convenient to use next time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The clamp for processing the injection mold comprises a processing table (1) and is characterized in that a first sliding groove (4) and a second sliding groove (5) are symmetrically formed in the processing table (1) respectively, a smooth glass plate (11) is arranged between the first sliding groove (4) and the second sliding groove (5), a first sliding block (25) is connected in the first sliding groove (4) in a sliding manner, an Europe horn cavity is formed in the first sliding block (25), a ferromagnetic sheet (24) is fixedly connected to the bottom wall of the Horn cavity, a second wedge block (20) is arranged in the Horn cavity, a movable groove (22) is formed in the second wedge block (20), two movable rods (19) are symmetrically inserted in the movable groove (22) in a sliding manner, a second spring (21) is fixedly connected between the two movable rods (19), a first wedge block (18) is arranged on the second wedge block (20), a clamping plate (17) is fixedly connected to the first wedge block (18), one side fixedly connected with silica gel pad of splint (17), sliding connection has second slider (7) in second spout (5), fixed mounting has electro-magnet (8) in second slider (7), electro-magnet (8) cooperate with ferromagnetic piece (24), one side fixedly connected with first spring (9) of second slider (7), the one end fixed connection that second slider (7) were kept away from in first spring (9) is on the lateral wall of second spout (5), seted up cavity (10) in processing platform (1), processing platform (1) interior symmetry is equipped with a plurality of communicating pipes (13), every the both ends of communicating pipe (13) extend to respectively in second spout (5) and cavity (10), processing platform (1) bottom side is equipped with the mechanism of breathing in.

2. An injection mould machining fixture as claimed in claim 1, characterized in that the suction mechanism comprises a vacuum pump (14), the vacuum pump (14) is fixedly mounted at the bottom side of the machining table (1), a suction pipe (12) is fixedly connected to the suction end of the vacuum pump (14), and the suction pipe (12) extends into the cavity (10).

3. An injection mold machining fixture as claimed in claim 2, characterized in that a plurality of support rods (2) are symmetrically and fixedly connected to the bottom side of the machining table (1), and a suction cup (3) is fixedly connected to one end of each support rod (2) far away from the machining table (1).

4. The clamp for processing the injection mold according to claim 3, wherein a plurality of air outlet pipes (16) are symmetrically arranged at the bottom side of the processing table (1), one end of each air outlet pipe (16) extends into the second sliding groove (5), and the other end of each air outlet pipe (16) extends to the outer side of the processing table (1) and is provided with an electromagnetic valve (15).

5. An injection mold machining fixture as claimed in claim 4, characterized in that the side wall of the first runner (4) is fixedly connected with a guide rod (6), and the first wedge (18) is slidably connected to the guide rod (6).

6. An injection mold machining fixture as claimed in claim 5, wherein the first wedge (18) has an end surface A on a bottom side thereof, and the second wedge (20) has an end surface B on an upper side thereof, the end surface A being engaged with the end surface B.

7. A clamp for injection mould processing according to claim 6, characterized in that a roller (23) is rotatably connected to one end of the movable rod (19) far away from the second spring (21), and the roller (23) abuts against the inner wall of the horn cavity.

8. The injection mold processing clamp according to claim 7, wherein a plurality of vent holes are symmetrically formed on the processing table (1), and the vent holes are communicated with the second sliding groove (5).